Cardoard cutouts painted black with the eyes cut out and a glow stick in a little box glued (or duct taped) to the back of the head.if you don't want to do full sized cutouts, you could just do creepy figures in windows.

Weirdly enough, instead of fueling my frustrations, listening to angry music actually is a way to let off steam and channel feelings in a positive way. Bottom line, angry music can sometimes make you feel better